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what is the value of 8.16612667E-008 and 4.6957301E-009? also, how do you write these numbers in scientific notation: -0.0109708572, 0.00274273724, and -10970857.2
The density of air at 19 °C is 0.0020 g/ml at about atmospheric pressure. Although air is a mixture, we can take the average molecular weight of the molecules in air to be 27.37 amu. (a) What is the mass of air in the bottle? (b) By how much does ..
equilibrium at 25C with 5.82L of an aqueous solution of N2O(aq). what is mass of N2O whic is disssolved?
What are some of the general properties that distinguish metals from ceramics and polymers?
Calculate the vapor pressure lowering of a solution of 2.80 g of aspirin (molecular weight = 180.15 g/mol) in 45.0 g of methanol (CH3OH) at 21.2°C.
give the full symbol for the atom of ion that has 26 protons and 30 neutrons in its nucleus and 23 electrons outside its nucleus. Also give the number of the group this element is in
The n.itrogen is converted to N2(g) and collected. given that 350-mg same yields 42.2 ml N2 at STP, calculate the percentage of nitrogen in the sample
The carboxylate groups in sugammadex play an important binding role in locking rocuronium into the central cavity of the cyclodextrin, but they also have an important role in allowing the drug access to the cavity.
Determine the energy change associated with these changes in state: a. 138g of steam condenses,b. 261mg of solid mercury melts,c. 8.36g of rubbing alcohol freezes d. 52g of liquid methane boils
At what wavelength do you measure the change in absorbance to assay for enzyme X? Does the absorbance increase or decrease over time?
What is formed when benzene is reacted with Br2 then FeBr3? Then that molecule is reacted with Mg then CO2 then H
Calculate script e° values for the following cells. Which reactions are spontaneous as written (under standard conditions)? Balance the reactions. Standard reduction potentials are found in the table
below, 8.34 atm each of H2 and Br2 were placed into a 1.00 L flask and allowed to react: H2(g) + Br2(g) 2 HBr(g) Given that Kc = 86.7, calculate the equilibrium pressure of Br2.
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